%This is a file named hw49.m.
clear;
figure(1);
x=0.0:0.01:1;
cond_f=x.*exp(-x)./(1-exp(-x));
plot(x,cond_f,'LineWidth',3);set(gca,'FontSize',20);title('cond_f');
saveas(1,'condf.png');
cond_A=(1+1./(exp(x)-1))./cond_f;
plot(x,cond_A,'LineWidth',3);set(gca,'FontSize',20);title('cond_A');
saveas(1,'condA.png');